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21883663147 = 103419507071
BaseRepresentation
bin10100011000010111…
…100011001100101011
32002111002222021022111
4110120113203030223
5324304204210042
614015254503151
71403204032123
oct243027431453
962432867274
1021883663147
11930a837025
1242a8964ab7
1320a9a0b508
1410b8539c83
158812ed517
hex5185e332b

21883663147 has 8 divisors (see below), whose sum is σ = 22148904960. Its totient is φ = 21619436520.

The previous prime is 21883663129. The next prime is 21883663181. The reversal of 21883663147 is 74136638812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21883663147 - 231 = 19736179499 is a prime.

It is a super-3 number, since 3×218836631473 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21883663147.

It is not an unprimeable number, because it can be changed into a prime (21883663247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210379 + ... + 296692.

It is an arithmetic number, because the mean of its divisors is an integer number (2768613120).

Almost surely, 221883663147 is an apocalyptic number.

21883663147 is a deficient number, since it is larger than the sum of its proper divisors (265241813).

21883663147 is a wasteful number, since it uses less digits than its factorization.

21883663147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507593.

The product of its digits is 1161216, while the sum is 49.

The spelling of 21883663147 in words is "twenty-one billion, eight hundred eighty-three million, six hundred sixty-three thousand, one hundred forty-seven".

Divisors: 1 103 419 43157 507071 52228313 212462749 21883663147